Ball Valve, Gate Valve, Globe Valve manufacturer / supplier in China, offering Hastelloy C276 ASTM a 494 Cw12MW Check Valve Flanged Ends, API600 Bw ASTM A217 Wc9 Psb Gate Valve 1500lb 20in, Pressure Seal Bonnet ANSI1500 DN500 ASTM A217 Wc9 Gate Valve and so on.